Skip to content
slang.fyi

monster of the week

/ˈmɒnstər əv ðə wiːk/

Common

A storytelling format where each episode introduces and resolves a new self-contained threat, with little connection to the larger ongoing plot.

Can be used approvingly (a comfort format, easy to watch out of order) or critically (lazy writing, filler, no stakes). Context determines which.

Real-world examples4 examples
#ExampleWhat it meansSource
01x-files is literally the definition of monster of the week. every ep is its own thingThe show is the canonical example of the format.reddit
02this was just a monster of the week episode. nothing here connects to the main arcThe episode was self-contained filler with no story impact.x, 2024
03honestly i love a good monster of the week ep. sometimes you just want a self-contained storyThe person appreciates the format when done well.x, 2023
04supernatural ran on monster of the week for like 5 seasons before the mythology took overDescribing a show that used the format for the majority of its run.reddit

Use it when

  • A show has self-contained episodes where each one features a new villain or threat.
  • You're describing a show's episodic format vs its season-long arc.
  • You want to explain why an episode felt disconnected from the main story.

Do not use it when

  • The show has no main cast and every episode is fully standalone.Use “anthology” instead.
  • The episode has a recurring villain who appears multiple times.

Variations and related forms

MotW

Abbreviation for monster of the week, used in fan and critic discussions.

Monster of the week vs bottle episode

monster of the week

Monster of the week is a story format: self-contained threat, resolved by the end.

VS

bottle-episode

Bottle episode is a production format: one location, limited cast, low budget.

Origin and context

The term comes from fan communities discussing shows like The X-Files in the 1990s, where 'mythology' episodes (the ongoing alien conspiracy arc) were contrasted with standalone 'monster of the week' episodes. The phrase stuck and spread across fandom.

First seen
1990s
Confidence
medium

Cite this page

Use this stable URL to reference the entry.

https://slang.fyi/monster-of-the-week
Updated: 2026-08-28License: CC BY 4.0

Related slang